/**
 * 自我进化机制 - Self Evolution Mechanism
 * 负责实现宇宙界面的自主进化和自我优化
 */

class SelfEvolutionMechanism {
  constructor() {
    this.evolutionRules = new Map();
    this.adaptationStrategies = new Map();
    this.performanceMetrics = new Map();
    this.learningData = [];
    this.isLearning = false;
    this.evolutionHistory = [];
    this.optimizationTargets = new Map();
    
    this.init();
  }

  /**
   * 初始化自我进化机制
   */
  init() {
    console.log('🧬 自我进化机制初始化中...');
    
    // 注册进化规则
    this.registerEvolutionRules();
    
    // 注册适应策略
    this.registerAdaptationStrategies();
    
    // 初始化性能指标
    this.initializePerformanceMetrics();
    
    // 初始化优化目标
    this.initializeOptimizationTargets();
    
    // 启动学习循环
    this.startLearningLoop();
    
    console.log('✅ 自我进化机制初始化完成');
  }

  /**
   * 注册进化规则
   */
  registerEvolutionRules() {
    // 性能优化规则
    this.evolutionRules.set('performance_optimization', {
      name: '性能优化',
      description: '根据性能指标自动优化系统',
      priority: 1,
      execute: (context) => {
        this.optimizePerformance(context);
      }
    });

    // 用户体验优化规则
    this.evolutionRules.set('ux_optimization', {
      name: '用户体验优化',
      description: '根据用户行为优化界面体验',
      priority: 2,
      execute: (context) => {
        this.optimizeUserExperience(context);
      }
    });

    // 视觉效果优化规则
    this.evolutionRules.set('visual_optimization', {
      name: '视觉效果优化',
      description: '根据视觉反馈优化渲染效果',
      priority: 3,
      execute: (context) => {
        this.optimizeVisualEffects(context);
      }
    });

    // 交互优化规则
    this.evolutionRules.set('interaction_optimization', {
      name: '交互优化',
      description: '根据交互模式优化操作体验',
      priority: 4,
      execute: (context) => {
        this.optimizeInteraction(context);
      }
    });

    // 内容生成规则
    this.evolutionRules.set('content_generation', {
      name: '内容生成',
      description: '根据用户偏好生成新内容',
      priority: 5,
      execute: (context) => {
        this.generateContent(context);
      }
    });
  }

  /**
   * 注册适应策略
   */
  registerAdaptationStrategies() {
    // 自适应缩放策略
    this.adaptationStrategies.set('adaptive_scaling', {
      name: '自适应缩放',
      description: '根据设备性能自动调整缩放级别',
      execute: (context) => {
        this.adaptScaling(context);
      }
    });

    // 自适应渲染策略
    this.adaptationStrategies.set('adaptive_rendering', {
      name: '自适应渲染',
      description: '根据性能自动调整渲染质量',
      execute: (context) => {
        this.adaptRendering(context);
      }
    });

    // 自适应交互策略
    this.adaptationStrategies.set('adaptive_interaction', {
      name: '自适应交互',
      description: '根据用户习惯调整交互方式',
      execute: (context) => {
        this.adaptInteraction(context);
      }
    });

    // 自适应内容策略
    this.adaptationStrategies.set('adaptive_content', {
      name: '自适应内容',
      description: '根据用户兴趣调整内容展示',
      execute: (context) => {
        this.adaptContent(context);
      }
    });
  }

  /**
   * 初始化性能指标
   */
  initializePerformanceMetrics() {
    this.performanceMetrics.set('fps', {
      name: '帧率',
      target: 60,
      current: 60,
      weight: 0.3
    });

    this.performanceMetrics.set('memory_usage', {
      name: '内存使用',
      target: 0.7,
      current: 0.5,
      weight: 0.2
    });

    this.performanceMetrics.set('render_time', {
      name: '渲染时间',
      target: 16,
      current: 16,
      weight: 0.2
    });

    this.performanceMetrics.set('interaction_response', {
      name: '交互响应',
      target: 100,
      current: 100,
      weight: 0.15
    });

    this.performanceMetrics.set('battery_usage', {
      name: '电池使用',
      target: 0.3,
      current: 0.3,
      weight: 0.15
    });
  }

  /**
   * 初始化优化目标
   */
  initializeOptimizationTargets() {
    this.optimizationTargets.set('performance', {
      name: '性能优化',
      metrics: ['fps', 'memory_usage', 'render_time'],
      weight: 0.4
    });

    this.optimizationTargets.set('user_experience', {
      name: '用户体验',
      metrics: ['interaction_response', 'battery_usage'],
      weight: 0.3
    });

    this.optimizationTargets.set('visual_quality', {
      name: '视觉质量',
      metrics: ['fps', 'render_time'],
      weight: 0.3
    });
  }

  /**
   * 启动学习循环
   */
  startLearningLoop() {
    this.isLearning = true;
    this.learningLoop();
  }

  /**
   * 学习循环
   */
  learningLoop() {
    if (!this.isLearning) return;

    // 收集当前状态
    const currentState = this.collectCurrentState();
    
    // 分析性能指标
    this.analyzePerformanceMetrics(currentState);
    
    // 执行进化规则
    this.executeEvolutionRules(currentState);
    
    // 执行适应策略
    this.executeAdaptationStrategies(currentState);
    
    // 记录学习数据
    this.recordLearningData(currentState);
    
    // 继续下一轮学习
    setTimeout(() => this.learningLoop(), 1000);
  }

  /**
   * 收集当前状态
   */
  collectCurrentState() {
    return {
      timestamp: Date.now(),
      performance: this.getPerformanceMetrics(),
      userBehavior: this.getUserBehavior(),
      systemState: this.getSystemState(),
      environment: this.getEnvironmentInfo()
    };
  }

  /**
   * 获取性能指标
   */
  getPerformanceMetrics() {
    const metrics = {};
    for (const [key, metric] of this.performanceMetrics) {
      metrics[key] = metric.current;
    }
    return metrics;
  }

  /**
   * 获取用户行为
   */
  getUserBehavior() {
    // 模拟用户行为数据
    return {
      interactionFrequency: Math.random() * 10,
      preferredZoomLevel: 1.0 + Math.random() * 2,
      averageSessionTime: 300 + Math.random() * 600,
      mostUsedFeatures: ['zoom', 'rotate', 'pan']
    };
  }

  /**
   * 获取系统状态
   */
  getSystemState() {
    return {
      memoryUsage: Math.random() * 0.8,
      cpuUsage: Math.random() * 0.6,
      batteryLevel: 0.5 + Math.random() * 0.5,
      networkStatus: 'good'
    };
  }

  /**
   * 获取环境信息
   */
  getEnvironmentInfo() {
    return {
      deviceType: 'mobile',
      screenSize: { width: 375, height: 667 },
      orientation: 'portrait',
      timeOfDay: new Date().getHours()
    };
  }

  /**
   * 分析性能指标
   */
  analyzePerformanceMetrics(state) {
    for (const [key, metric] of this.performanceMetrics) {
      // 更新当前值
      metric.current = state.performance[key] || metric.current;
      
      // 计算与目标的差距
      const gap = Math.abs(metric.current - metric.target) / metric.target;
      
      // 如果差距过大，触发优化
      if (gap > 0.2) {
        this.triggerOptimization(key, metric);
      }
    }
  }

  /**
   * 触发优化
   */
  triggerOptimization(metricKey, metric) {
    console.log(`🔧 触发优化: ${metric.name}`);
    
    // 根据指标类型选择优化策略
    switch (metricKey) {
      case 'fps':
        this.optimizeFrameRate(metric);
        break;
      case 'memory_usage':
        this.optimizeMemoryUsage(metric);
        break;
      case 'render_time':
        this.optimizeRenderTime(metric);
        break;
      case 'interaction_response':
        this.optimizeInteractionResponse(metric);
        break;
      case 'battery_usage':
        this.optimizeBatteryUsage(metric);
        break;
    }
  }

  /**
   * 优化帧率
   */
  optimizeFrameRate(metric) {
    if (metric.current < metric.target) {
      // 降低渲染质量
      this.adjustRenderingQuality(-0.1);
      console.log('📉 降低渲染质量以提升帧率');
    } else {
      // 提升渲染质量
      this.adjustRenderingQuality(0.1);
      console.log('📈 提升渲染质量');
    }
  }

  /**
   * 优化内存使用
   */
  optimizeMemoryUsage(metric) {
    if (metric.current > metric.target) {
      // 清理内存
      this.cleanupMemory();
      console.log('🧹 清理内存');
    }
  }

  /**
   * 优化渲染时间
   */
  optimizeRenderTime(metric) {
    if (metric.current > metric.target) {
      // 减少渲染复杂度
      this.reduceRenderingComplexity();
      console.log('⚡ 减少渲染复杂度');
    }
  }

  /**
   * 优化交互响应
   */
  optimizeInteractionResponse(metric) {
    if (metric.current > metric.target) {
      // 优化交互处理
      this.optimizeInteractionHandling();
      console.log('👆 优化交互处理');
    }
  }

  /**
   * 优化电池使用
   */
  optimizeBatteryUsage(metric) {
    if (metric.current > metric.target) {
      // 降低功耗
      this.reducePowerConsumption();
      console.log('🔋 降低功耗');
    }
  }

  /**
   * 执行进化规则
   */
  executeEvolutionRules(context) {
    for (const [ruleId, rule] of this.evolutionRules) {
      try {
        rule.execute(context);
      } catch (error) {
        console.error(`进化规则执行失败: ${rule.name}`, error);
      }
    }
  }

  /**
   * 执行适应策略
   */
  executeAdaptationStrategies(context) {
    for (const [strategyId, strategy] of this.adaptationStrategies) {
      try {
        strategy.execute(context);
      } catch (error) {
        console.error(`适应策略执行失败: ${strategy.name}`, error);
      }
    }
  }

  /**
   * 性能优化
   */
  optimizePerformance(context) {
    const performanceScore = this.calculatePerformanceScore();
    
    if (performanceScore < 0.8) {
      // 性能不佳，执行优化
      this.executePerformanceOptimization();
    }
  }

  /**
   * 用户体验优化
   */
  optimizeUserExperience(context) {
    const uxScore = this.calculateUXScore();
    
    if (uxScore < 0.7) {
      // 用户体验不佳，执行优化
      this.executeUXOptimization();
    }
  }

  /**
   * 视觉效果优化
   */
  optimizeVisualEffects(context) {
    const visualScore = this.calculateVisualScore();
    
    if (visualScore < 0.8) {
      // 视觉效果不佳，执行优化
      this.executeVisualOptimization();
    }
  }

  /**
   * 交互优化
   */
  optimizeInteraction(context) {
    const interactionScore = this.calculateInteractionScore();
    
    if (interactionScore < 0.7) {
      // 交互体验不佳，执行优化
      this.executeInteractionOptimization();
    }
  }

  /**
   * 内容生成
   */
  generateContent(context) {
    // 根据用户偏好生成新内容
    const userPreferences = this.analyzeUserPreferences();
    
    if (userPreferences.needsNewContent) {
      this.generateNewContent(userPreferences);
    }
  }

  /**
   * 自适应缩放
   */
  adaptScaling(context) {
    const devicePerformance = this.assessDevicePerformance();
    
    if (devicePerformance < 0.5) {
      // 设备性能较低，降低缩放
      this.adjustScaling(-0.2);
    } else if (devicePerformance > 0.8) {
      // 设备性能较高，提升缩放
      this.adjustScaling(0.2);
    }
  }

  /**
   * 自适应渲染
   */
  adaptRendering(context) {
    const performanceMetrics = context.performance;
    
    if (performanceMetrics.fps < 30) {
      // 帧率过低，降低渲染质量
      this.adjustRenderingQuality(-0.2);
    } else if (performanceMetrics.fps > 55) {
      // 帧率良好，提升渲染质量
      this.adjustRenderingQuality(0.1);
    }
  }

  /**
   * 自适应交互
   */
  adaptInteraction(context) {
    const userBehavior = context.userBehavior;
    
    // 根据用户交互频率调整交互灵敏度
    if (userBehavior.interactionFrequency > 5) {
      this.adjustInteractionSensitivity(0.1);
    } else if (userBehavior.interactionFrequency < 2) {
      this.adjustInteractionSensitivity(-0.1);
    }
  }

  /**
   * 自适应内容
   */
  adaptContent(context) {
    const userPreferences = this.analyzeUserPreferences();
    
    // 根据用户偏好调整内容展示
    if (userPreferences.prefersVisual) {
      this.emphasizeVisualContent();
    } else if (userPreferences.prefersInteractive) {
      this.emphasizeInteractiveContent();
    }
  }

  /**
   * 记录学习数据
   */
  recordLearningData(state) {
    this.learningData.push({
      timestamp: state.timestamp,
      performance: state.performance,
      userBehavior: state.userBehavior,
      systemState: state.systemState,
      environment: state.environment
    });

    // 保持学习数据在合理范围内
    if (this.learningData.length > 1000) {
      this.learningData.shift();
    }
  }

  /**
   * 计算性能分数
   */
  calculatePerformanceScore() {
    let totalScore = 0;
    let totalWeight = 0;

    for (const [key, metric] of this.performanceMetrics) {
      const score = 1 - Math.abs(metric.current - metric.target) / metric.target;
      totalScore += score * metric.weight;
      totalWeight += metric.weight;
    }

    return totalWeight > 0 ? totalScore / totalWeight : 0;
  }

  /**
   * 计算用户体验分数
   */
  calculateUXScore() {
    // 简化的UX分数计算
    return Math.random() * 0.3 + 0.7;
  }

  /**
   * 计算视觉分数
   */
  calculateVisualScore() {
    // 简化的视觉分数计算
    return Math.random() * 0.2 + 0.8;
  }

  /**
   * 计算交互分数
   */
  calculateInteractionScore() {
    // 简化的交互分数计算
    return Math.random() * 0.3 + 0.7;
  }

  /**
   * 分析用户偏好
   */
  analyzeUserPreferences() {
    return {
      prefersVisual: Math.random() > 0.5,
      prefersInteractive: Math.random() > 0.5,
      needsNewContent: Math.random() > 0.8
    };
  }

  /**
   * 评估设备性能
   */
  assessDevicePerformance() {
    return Math.random() * 0.4 + 0.6;
  }

  /**
   * 调整渲染质量
   */
  adjustRenderingQuality(delta) {
    console.log(`🎨 调整渲染质量: ${delta > 0 ? '+' : ''}${delta}`);
  }

  /**
   * 清理内存
   */
  cleanupMemory() {
    console.log('🧹 执行内存清理');
  }

  /**
   * 减少渲染复杂度
   */
  reduceRenderingComplexity() {
    console.log('⚡ 减少渲染复杂度');
  }

  /**
   * 优化交互处理
   */
  optimizeInteractionHandling() {
    console.log('👆 优化交互处理');
  }

  /**
   * 降低功耗
   */
  reducePowerConsumption() {
    console.log('🔋 降低功耗');
  }

  /**
   * 调整缩放
   */
  adjustScaling(delta) {
    console.log(`🔍 调整缩放: ${delta > 0 ? '+' : ''}${delta}`);
  }

  /**
   * 调整交互灵敏度
   */
  adjustInteractionSensitivity(delta) {
    console.log(`👆 调整交互灵敏度: ${delta > 0 ? '+' : ''}${delta}`);
  }

  /**
   * 强调视觉内容
   */
  emphasizeVisualContent() {
    console.log('🎨 强调视觉内容');
  }

  /**
   * 强调交互内容
   */
  emphasizeInteractiveContent() {
    console.log('👆 强调交互内容');
  }

  /**
   * 生成新内容
   */
  generateNewContent(preferences) {
    console.log('✨ 生成新内容');
  }

  /**
   * 停止学习
   */
  stopLearning() {
    this.isLearning = false;
    console.log('⏸️ 学习已停止');
  }

  /**
   * 导出学习数据
   */
  exportLearningData() {
    return {
      version: '1.0.0',
      timestamp: Date.now(),
      learningData: this.learningData,
      evolutionHistory: this.evolutionHistory,
      performanceMetrics: Array.from(this.performanceMetrics.entries())
    };
  }

  /**
   * 获取进化状态
   */
  getEvolutionStatus() {
    return {
      isLearning: this.isLearning,
      performanceScore: this.calculatePerformanceScore(),
      learningDataCount: this.learningData.length,
      evolutionRulesCount: this.evolutionRules.size,
      adaptationStrategiesCount: this.adaptationStrategies.size
    };
  }
}

// 导出自我进化机制
module.exports = SelfEvolutionMechanism;
